# Data Rhythm vs Shift

The clearest difference is in-app purchases: Data Rhythm at none against Shift's 2. Shift's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Shift sells 2 in-app purchases, starting at $2.99 per 7 days. Data Rhythm asks for nothing beyond the download.

Data Rhythm ships an update every 3 weeks, Shift weekly. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Data Rhythm | Shift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 17 MB | 20 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Masaki Hayashi](https://appshunter.io/developer/1609931545) | [DIGITAL HERO LLC](https://appshunter.io/developer/1476514139) |

## What reviewers say

### Data Rhythm

[App page](https://appshunter.io/ios/app/data-rhythm/id1639696025)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shift

[App page](https://appshunter.io/ios/app/shift-habit-tracker/id6759396101)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $2.99 | per 7 days |
| Annual Pro | $19.99 | per year |


## Frequently asked questions

### Is Data Rhythm free?

Data Rhythm is free to download, with no in-app purchases.

### Is Shift free?

Shift is free to download, with in-app purchases available.

### Do Data Rhythm or Shift have ads?

Data Rhythm shows ads; Shift does not.

### Which is updated more often, Data Rhythm or Shift?

Data Rhythm ships an update every 3 weeks, and Shift weekly. Most recently, Data Rhythm was updated on October 9, 2026 and Shift on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*